tools/qemu/patches/0007-VMDK-flush-multiple-extents.patch

   1 From 49885608e66c1e76a2b715fb36fd2f27f73e5202 Mon Sep 17 00:00:00 2001
   2 From: Fam Zheng <famcool@gmail.com>
   3 Date: Tue, 12 Jul 2011 19:56:33 +0800
   4 Subject: [PATCH 07/12] VMDK: flush multiple extents
   5
   6 Flush all the file that referenced by the image.
   7
   8 Signed-off-by: Fam Zheng <famcool@gmail.com>
   9 Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
  10 Signed-off-by: Kevin Wolf <kwolf@redhat.com>
  11 ---
  12  block/vmdk.c | 12 +++++++++++-
  13  1 file changed, 11 insertions(+), 1 deletion(-)
  14
  15 --- a/block/vmdk.c
  16 +++ b/block/vmdk.c
  17 @@ -1072,7 +1072,17 @@ static void vmdk_close(BlockDriverState
  18
  19  static int vmdk_flush(BlockDriverState *bs)
  20  {
  21 -    return bdrv_flush(bs->file);
  22 +    int i, ret, err;
  23 +    BDRVVmdkState *s = bs->opaque;
  24 +
  25 +    ret = bdrv_flush(bs->file);
  26 +    for (i = 0; i < s->num_extents; i++) {
  27 +        err = bdrv_flush(s->extents[i].file);
  28 +        if (err < 0) {
  29 +            ret = err;
  30 +        }
  31 +    }
  32 +    return ret;
  33  }
  34
  35